671507753 has 16 divisors (see below), whose sum is σ = 784926720. Its totient is φ = 562497936.

The previous prime is 671507743. The next prime is 671507761. The reversal of 671507753 is 357705176.

It is a de Polignac number, because none of the positive numbers 2^k-671507753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 671507753.

It is not an unprimeable number, because it can be changed into a prime (671507723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 334250 + ... + 336252.

It is an arithmetic number, because the mean of its divisors is an integer number (49057920).

Almost surely, 2^671507753 is an apocalyptic number.

It is an amenable number.

671507753 is a deficient number, since it is larger than the sum of its proper divisors (113418967).

671507753 is a wasteful number, since it uses less digits than its factorization.

671507753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3076.

The product of its (nonzero) digits is 154350, while the sum is 41.

The square root of 671507753 is about 25913.4666341653. The cubic root of 671507753 is about 875.6899061764.

The spelling of 671507753 in words is "six hundred seventy-one million, five hundred seven thousand, seven hundred fifty-three".